Pearson CRT-450 New Attempt

In this scenario, a formula field is the most appropriate choice to calculate the ratio between rejected and approved timesheets for a given project. This is because formula fields automatically calculate their values based on other fields’ values, requiring no additional maintenance or manual intervention. They are used for read-only purposes and are visible to users if they have read access to the object containing the formula field. To create the formula field, the developer can use the following expression:

IF(Total_Approved_Timesheets__c > 0, Total_Rejected_Timesheet__c / Total_Approved_Timesheets__c, 0)

This expression checks if the total approved timesheets is greater than zero, and if so, divides the total rejected timesheets by the total approved timesheets. Otherwise, it returns zero. This formula field will display the ratio as a decimal number, which can be formatted as a percentage if desired.

References: The use of formula fields for automatic calculations can be referenced in the Salesforce Platform Developer I learning documents, specifically in modules that cover objects and fields management, such as:

• Create Object Relationships
• Data Modeling
• Formula Operators and Functions by Context

 Importing data using the Data Loader and the Bulk API causes a before trigger to fire by default for Accounts. A before trigger is a type of trigger that executes before a record is saved to the database. A before trigger can be used to validate or modify the record values before they are inserted or updated1. When using the Data Loader or the Bulk API to import data, the before trigger will run for each batch of records that are processed2.

The other options are not correct because:

• Renaming or replacing picklist values does not cause a before trigger to fire, as it does not affect the record values directly. However, it may affect the validation rules or formulas that reference the picklist values3.
• Converting Leads to Contact accounts does not cause a before trigger to fire, as it is a special operation that bypasses the standard trigger execution order. Instead, the LeadConvert class can be used to override the default lead conversion process and invoke custom logic.
• Updating addresses using the Mass Address update tool does not cause a before trigger to fire, as it is a tool that allows users to update address fields on multiple records at once. However, it may cause an after trigger to fire, as it updates the records in the database.

References:

• 1: Triggers and Order of Execution
• 2: Bulk API Developer Guide
• 3: Rename or Replace Picklist Values
• : Apex Developer Guide: LeadConvert Class
• : Mass Update Addresses

 Developer Edition orgs are free, fully-featured copies of Salesforce that are designed for developers to create and test applications. They have the same configuration as the production org, but with limited data and file storage. Developer Edition orgs are ideal for individual developers or small teams who want to work in their own orgs that are isolated from each other. Full Sandbox orgs are also copies of the production org, but they require a paid license and have a refresh interval of 29 days. Partner Developer Edition orgs are similar to Developer Edition orgs, but they have higher limits on data and file storage, as well as the number of custom objects and tabs. They are available only to Salesforce partners who are enrolled in the Partner Program. Developer Sandbox orgs are copies of the production org metadata, but they have very limited data and file storage, and a refresh interval of one day. They are useful for coding and testing in a disposable environment, but not for developing complex applications that require more resources. References:

• Certification - Platform Developer I - Trailhead
• SALESFORCE CERTIFIED PLATFORM DEVELOPER I
• [Developer Edition Orgs | Salesforce Trailhead]
• [Sandbox Types and Templates | Salesforce Trailhead]

A. if (Schema.sObjectType.Contact.isUpdatable()) - This checks if the Contact object is updatable for the current user. B. if (Schema.sObjectType.Contact.fields.Is_Active__c.isUpdateable()) - This checks if the Is_Active__c field on the Contact object is updatable for the current user.

These checks should be performed before executing DML statements to ensure that security is not bypassed.

C and D are incorrect because: C. It only checks if the Contact object is accessible, not whether it’s updatable. D. Checking ownership does not necessarily enforce field-level and object-level permissions.

References:

• Apex Developer Guide
• Trailhead: Data Security

I also noticed that you sent me an image along with your question. It seems to be a snippet of code written in Apex, which is used for Salesforce development. It shows a public method named updateContact that accepts a Contact object as a parameter. Inside this method, there’s an assignment operation where Is_Active__c field of thisContact object is set to false. A try/catch block follows where an attempt to update thisContact record occurs within try; any exceptions caught during this process are handled in catch block. If an exception occurs during update operation, an error message string gets concatenated with exception’s message and displayed using ApexPages.addmessage.

If you are looking for more resources to study for the Platform Developer I exam, you can check out the following links from my web search results:

• Free Salesforce Platform Developer 1 Practice Exam (With Answers): This is a website that offers 60-question practice exam with answers and explanations, written by a Salesforce Developer.
• SALESFORCE CERTIFIED PLATFORM DEVELOPER I: This is a PDF document that provides the exam guide, sample questions, and answers for the certification exam.
• Salesforce Platform Platform Developer I Exams – Courses: This is a website that offers 4 full-length practice exams with 60 questions each, written by a Salesforce Developer